CVE-2026-80759

Bluetooth: hci_aml: validate firmware segment lengths

N/A
Published: September 4, 2026 at 03:12 PM UTC
Updated: October 19, 2026 at 09:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_aml: validate firmware segment lengths aml_download_firmware() reads two lengths from the firmware header and uses them to build pointers before checking that the header and segment data are present. A truncated or inconsistent firmware image can make the driver read past firmware->data while constructing TCI commands. Reject images shorter than the header and ensure that the ICCM and DCCM ranges fit within the loaded firmware before downloading either segment.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

37bac77e4649e8158698a60addc22ec4faf5649a6.12
Vendor states this is fixed in 2763b8bcb504e30ec955474f51b99ce42fc62f3b (fixed)
Vendor states this is fixed in 2bf6b9baca9372ea51b6d0f2820dc9bf29a83ef4 (fixed)
Vendor states this is fixed in 6c70253462902d835e843b470f74aa816d60af80 (fixed)
Vendor states this is fixed in 7733b01ed13685773ccda91035a46f87d4cfef7c (fixed)
Vendor states this is fixed in e1534d49a7b8ba728e84b020f6d802aa1cb759d9 (fixed)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.12.106 (unaffected)
Vendor states this is fixed in 6.18.47 (unaffected)
Vendor states this is fixed in 7.1.11 (unaffected)
Vendor states this is fixed in 7.2.1 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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